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问题概述

第一次使用springboot搭建了一个项目，使用dubbo+zk做分布式，前台子系统调用后台服务，运行成功，但是调用时出错，大概问题出在mapper，使用了com.github.abel533的mapper插件，写了mapperProvider，报错没有无参构造方法，怀疑各个插件版本有问题，调试后无果，希望有大神协助，感谢！！！！

POM配置

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>1.5.9.RELEASE</version><relativePath/> <!-- lookup parent from repository --></parent><groupId>com.ec</groupId><artifactId>parent</artifactId><version>0.0.1-SNAPSHOT</version><name>parent</name><packaging>pom</packaging><description>Demo project for Spring Boot</description><properties><java.version>1.8</java.version><spring-cloud.version>Greenwich.SR1</spring-cloud.version><mapper.version>2.3.2</mapper.version><!--<mapper.version>3.0.1</mapper.version>--><dubbo.starter.version>2.0.0</dubbo.starter.version><!--<dubbo.starter.version>1.0.0</dubbo.starter.version>--><dubbo.version>2.5.3</dubbo.version><zkclient.version>0.10</zkclient.version><druid.version>1.0.28</druid.version><pagehelper.version>3.4.2</pagehelper.version><jsqlparser.version>0.9.1</jsqlparser.version><!--<pagehelper.version>4.1.1</pagehelper.version>--><!--<jsqlparser.version>0.9.4</jsqlparser.version>--></properties><dependencies><!-- spring-boot-starter --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter</artifactId></dependency><!-- spring-boot-starter-web --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><!-- spring-boot-starter-test --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><!-- spring-boot-starter-amqp --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-amqp</artifactId></dependency><!-- spring-boot-starter-data-redis --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-redis</artifactId></dependency><!-- spring-boot-starter-data-solr --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-solr</artifactId></dependency><!-- spring-boot-starter-data-jdbc --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-jdbc</artifactId></dependency><!-- mysql-connector-java --><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><scope>runtime</scope></dependency><!-- ********************************************* --><!--引入阿里druid监控  --><dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>${druid.version}</version></dependency><!-- dubbo --><dependency><groupId>com.alibaba.spring.boot</groupId><artifactId>dubbo-spring-boot-starter</artifactId><version>${dubbo.starter.version}</version></dependency><dependency><groupId>com.101tec</groupId><artifactId>zkclient</artifactId><version>${zkclient.version}</version><exclusions><exclusion><groupId>log4j</groupId><artifactId>log4j</artifactId></exclusion><exclusion><groupId>org.slf4j</groupId><artifactId>slf4j-api</artifactId></exclusion><exclusion><groupId>org.slf4j</groupId><artifactId>slf4j-log4j12</artifactId></exclusion></exclusions></dependency><!-- 通用Mapper --><dependency><groupId>com.github.abel533</groupId><artifactId>mapper</artifactId><version>${mapper.version}</version></dependency><dependency><groupId>tk.mybatis</groupId><artifactId>mapper-spring-boot-starter</artifactId><version>2.0.0</version></dependency><dependency><groupId>com.github.pagehelper</groupId><artifactId>pagehelper-spring-boot-starter</artifactId><version>1.1.3</version></dependency><!-- jedis --><dependency><groupId>redis.clients</groupId><artifactId>jedis</artifactId></dependency><!-- 时间操作组件 --><dependency><groupId>joda-time</groupId><artifactId>joda-time</artifactId><!--<version>${joda-time.version}</version>--></dependency><!-- 定时任务 --><dependency><groupId>org.quartz-scheduler</groupId><artifactId>quartz</artifactId><version>2.2.1</version></dependency><!--定时任务需要依赖c3p0jar包  --><dependency><groupId>c3p0</groupId><artifactId>c3p0</artifactId><version>0.9.1.2</version></dependency></dependencies><dependencyManagement><dependencies><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-dependencies</artifactId><version>${spring-cloud.version}</version><type>pom</type><scope>import</scope></dependency></dependencies></dependencyManagement><build><plugins></plugins></build></project>

依赖版本

MapperProvider代码

package com.ec.common.mapper;import com.github.abel533.mapper.MapperProvider;
import com.github.abel533.mapperhelper.EntityHelper;
import com.github.abel533.mapperhelper.MapperHelper;import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.scripting.xmltags.ForEachSqlNode;
import org.apache.ibatis.scripting.xmltags.MixedSqlNode;
import org.apache.ibatis.scripting.xmltags.SqlNode;
import org.apache.ibatis.scripting.xmltags.StaticTextSqlNode;
import org.apache.ibatis.jdbc.SQL;import java.util.ArrayList;
import java.util.List;
import java.util.Set;//import static org.apache.ibatis.jdbc.SqlBuilder.*;public class SysMapperProvider extends MapperProvider {//    public SysMapperProvider(){
//        super();
//
//    }public SysMapperProvider(Class<?> mapperClass, MapperHelper mapperHelper) {super(mapperClass, mapperHelper);}//这些方法 就是为了生成sql语句/*** 参数说明:*     SqlNode:mybatis提供一个sql语句的载体.*  通过sqlNode对象包含sql语句.则最终执行时提取sql*  MappedStatement:mybatis提供的内置对象*  通过对象可以灵活的获取当前正在执行的方法的具体参数和路径** @param ms* @return*/public SqlNode deleteByIDS(MappedStatement ms) {Class<?> entityClass = getSelectReturnType(ms);Set<EntityHelper.EntityColumn> entityColumns = EntityHelper.getPKColumns(entityClass);EntityHelper.EntityColumn column = null;for (EntityHelper.EntityColumn entityColumn : entityColumns) {column = entityColumn;break;}List<SqlNode> sqlNodes = new ArrayList<SqlNode>();// 开始拼sql
//        BEGIN();// delete from table
//        DELETE_FROM(tableName(entityClass));// 得到sqlString sql =new SQL(){{DELETE_FROM(tableName(entityClass));}        }.toString();// 静态SQL部分sqlNodes.add(new StaticTextSqlNode(sql + " WHERE " + column.getColumn() + " IN "));// 构造foreach sqlSqlNode foreach = new ForEachSqlNode(ms.getConfiguration(), new StaticTextSqlNode("#{"+ column.getProperty() + "}"), "ids", "index", column.getProperty(), "(", ")", ",");sqlNodes.add(foreach);return new MixedSqlNode(sqlNodes);}}

报错内容


org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: Error invoking SqlProvider method (com.ec.common.mapper.SysMapperProvider.dynamicSQL).  Cause: java.lang.InstantiationException: com.ec.common.mapper.SysMapperProviderat org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:77) ~[mybatis-spring-1.3.1.jar:1.3.1]at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:446) ~[mybatis-spring-1.3.1.jar:1.3.1]at com.sun.proxy.$Proxy79.selectList(Unknown Source) ~[na:na]at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:230) ~[mybatis-spring-1.3.1.jar:1.3.1]at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:137) ~[mybatis-3.4.5.jar:3.4.5]at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:75) ~[mybatis-3.4.5.jar:3.4.5]at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59) ~[mybatis-3.4.5.jar:3.4.5]at com.sun.proxy.$Proxy80.select(Unknown Source) ~[na:na]at com.ec.api.cart.service.CartServiceImpl.findCartListByUserId(CartServiceImpl.java:25) ~[classes/:na]at com.alibaba.dubbo.common.bytecode.Wrapper1.invokeMethod(Wrapper1.java) ~[dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.proxy.javassist.JavassistProxyFactory$1.doInvoke(JavassistProxyFactory.java:45) ~[dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:71) ~[dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.config.invoker.DelegateProviderMetaDataInvoker.invoke(DelegateProviderMetaDataInvoker.java:48) ~[dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:52) ~[dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:61) ~[dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:74) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:41) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:77) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:71) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:131) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:37) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:37) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol$1.reply(DubboProtocol.java:98) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:96) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:168) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:50) [dubbo-2.6.0.jar:2.6.0]at com.alibaba.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:79) [dubbo-2.6.0.jar:2.6.0]at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_181]at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_181]at java.lang.Thread.run(Thread.java:748) [na:1.8.0_181]
Caused by: org.apache.ibatis.builder.BuilderException: Error invoking SqlProvider method (com.ec.common.mapper.SysMapperProvider.dynamicSQL).  Cause: java.lang.InstantiationException: com.ec.common.mapper.SysMapperProviderat org.apache.ibatis.builder.annotation.ProviderSqlSource.createSqlSource(ProviderSqlSource.java:135) ~[mybatis-3.4.5.jar:3.4.5]at org.apache.ibatis.builder.annotation.ProviderSqlSource.getBoundSql(ProviderSqlSource.java:103) ~[mybatis-3.4.5.jar:3.4.5]at org.apache.ibatis.mapping.MappedStatement.getBoundSql(MappedStatement.java:292) ~[mybatis-3.4.5.jar:3.4.5]at com.github.pagehelper.PageInterceptor.intercept(PageInterceptor.java:83) ~[pagehelper-5.0.4.jar:na]at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61) ~[mybatis-3.4.5.jar:3.4.5]at com.sun.proxy.$Proxy114.query(Unknown Source) ~[na:na]at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148) ~[mybatis-3.4.5.jar:3.4.5]at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141) ~[mybatis-3.4.5.jar:3.4.5]at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_181]at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_181]at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_181]at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_181]at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) ~[mybatis-spring-1.3.1.jar:1.3.1]... 36 common frames omitted
Caused by: java.lang.InstantiationException: com.ec.common.mapper.SysMapperProviderat java.lang.Class.newInstance(Class.java:427) ~[na:1.8.0_181]at org.apache.ibatis.builder.annotation.ProviderSqlSource.createSqlSource(ProviderSqlSource.java:117) ~[mybatis-3.4.5.jar:3.4.5]... 48 common frames omitted
Caused by: java.lang.NoSuchMethodException: com.ec.common.mapper.SysMapperProvider.<init>()at java.lang.Class.getConstructor0(Class.java:3082) ~[na:1.8.0_181]at java.lang.Class.newInstance(Class.java:412) ~[na:1.8.0_181]... 49 common frames omitted

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com.github.abel533.mapper插件使用报错，求助！！！

小白求帮助！！！！！！！

问题概述

POM配置

依赖版本

MapperProvider代码

报错内容

com.github.abel533.mapper插件使用报错，求助！！！相关推荐

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